Hence, in this section, we find that majority of users (i.e., around five-seventh) have read at least 20% of unpopular books. Furthermore, we find that users with a small profile size tend to read more popular books than users having a larger profile size. To sum up, we investigated RQ1 in this section and our findings are in agreement with what Abdollahpouri et al. have reported in [1]}.
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